SOETAERT, K.; PETZOLDT, T.; SETZER, R. W. Solving Differential Equations in R: Package deSolve. Journal of Statistical Software, [S. l.], v. 33, n. 9, p. 1–25, 2010. DOI: 10.18637/jss.v033.i09. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v033i09. Acesso em: 7 jul. 2022.